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diff --git a/src/main/java/org/apache/commons/math3/ode/ParameterConfiguration.java b/src/main/java/org/apache/commons/math3/ode/ParameterConfiguration.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.math3.ode;
+
+import java.io.Serializable;
+
+/**
+ * Simple container pairing a parameter name with a step in order to compute the associated Jacobian
+ * matrix by finite difference.
+ *
+ * @since 3.0
+ */
+class ParameterConfiguration implements Serializable {
+
+    /** Serializable UID. */
+    private static final long serialVersionUID = 2247518849090889379L;
+
+    /** Parameter name. */
+    private String parameterName;
+
+    /** Parameter step for finite difference computation. */
+    private double hP;
+
+    /**
+     * Parameter name and step pair constructor.
+     *
+     * @param parameterName parameter name
+     * @param hP parameter step
+     */
+    ParameterConfiguration(final String parameterName, final double hP) {
+        this.parameterName = parameterName;
+        this.hP = hP;
+    }
+
+    /**
+     * Get parameter name.
+     *
+     * @return parameterName parameter name
+     */
+    public String getParameterName() {
+        return parameterName;
+    }
+
+    /**
+     * Get parameter step.
+     *
+     * @return hP parameter step
+     */
+    public double getHP() {
+        return hP;
+    }
+
+    /**
+     * Set parameter step.
+     *
+     * @param hParam parameter step
+     */
+    public void setHP(final double hParam) {
+        this.hP = hParam;
+    }
+}